page_title: Hydrogen vehicle
section_title: Buses
hierarchical_section_title: Hydrogen vehicle / Vehicles / Buses
caption_attribution_description: Polski: Solaris Urbino 12 hydrogen
context_page_description: A hydrogen vehicle is a vehicle that uses hydrogen fuel for motive power. Hydrogen vehicles include hydrogen-fueled space rockets, as well as automobiles and other transportation vehicles. The power plants of such vehicles convert the chemical energy of hydrogen to mechanical energy either by burning hydrogen in an internal combustion engine, or, more commonly, by reacting hydrogen with oxygen in a fuel cell to run electric motors. Widespread use of hydrogen for fueling transportation is a key element of a proposed hydrogen economy.
  As of 2019, there are three models of hydrogen cars publicly available in select markets: the Toyota Mirai the world's first mass produced dedicated fuel cell electric vehicle, the Hyundai Nexo, and the Honda Clarity. Several other companies are working to develop hydrogen cars.
  As of 2019, 98% of hydrogen is produced by steam methane reforming, which emits carbon dioxide. It can be produced by thermochemical or pyrolytic means using renewable feedstocks, but the processes are currently expensive.
context_section_description: Fuel-cell buses are being trialed by several manufacturers in different locations, for example, Ursus Lublin. Solaris Bus & Coach introduced its Urbino 12 hydrogen electric buses in 2019. Several dozen have been ordered and are expected to be delivered in 2020 and 2021.
caption: Solaris Urbino 12 bus, near the factory In Bolechowo, Poland
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